Table 1. Changes in biochemical parameters and plasma volume during performance tests before (Test 1) and after (Test 2) rapid body mass loss. Data are means (SD).
| Metabolite |
Test 1 |
Test 2 |
| Pre 1 |
Post 1 |
Pre 2 |
Post 2 |
| Ammonia (µmol·l–1) |
20.3 (10.0) |
67.6 (26.5)* |
19.6 (9.7) |
80.9 (29.1) * |
| Lactate (mmol·l–1) |
1.8 (0.7) |
6.9 (1.9) * |
1.6 (0.8) |
6.9 (2.2) * |
| Glucose (mmol·l–1) |
4.1 (0.7) |
3.9 (0.9) |
4.0 (0.9) |
3.9 (0.9) |
| Urea (mmol·l–1) |
4.9 (0.8) |
4.9 (0.8) |
5.9 (1.2) † |
5.9 (1.1) † |
| Haematocrit (%) |
42.9 (2.5) |
44.7 (3.0) * |
44.8 (2.0) † |
46.0 (2.7) *† |
| Haemoglobin (g·100 ml–1) |
14.0 (0.9) |
14.5 (1.1) * |
14.4 (0.9) † |
15.0 (1.1) * † |
| Change in plasma volume (%) |
–6.6 (4.4) |
–5.6 (3.8) |
Pre = before and Post = after performance test blood sample. Significantly different (p < 0.05): from corresponding Pre value from corresponding value in Test 1.
